Lauryl Hydroxysultaine (CAS 13197-76-7): The Sulfonate-Backed Amphoteric That Keeps Foam Up in Hard Water
A practical supplier guide to lauryl hydroxysultaine (CAS 13197-76-7, C17H37NO4S, MW 351.55, EINECS 236-164-7): the sulfonate-backed amphoteric surfactant that keeps foam and viscosity stable in hard water. Covers the chemistry versus lauryl betaine, foaming/thickening/conditioning/calcium-soap-dispersant roles in shampoo, body wash, and facial cleanser, a low-irritation safety profile, and natural formulation pairings with sarcosinate surfactants, ethylhexylglycerin, squalane, lecithin, and brightening/exfoliating actives.
